Home / 7,750.38-11,628.66-2,820.36

Finding the Fourth Proportional to 7,750.38, 11,628.66 and 2,820.36

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Solution

The fourth proportional to 7,750.38, 11,628.66 and 2,820.36 is: 4,231.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.38 : 11,628.66 = 2,820.36 : x
  2. Step 2: Convert to fraction form
    7,750.38/11,628.66 = 2,820.36/x
  3. Step 3: Cross multiply
    7,750.38x = 11,628.66 × 2,820.36
  4. Step 4: Simplify right side
    7,750.38x = 32,797,007.52
  5. Step 5: Solve for x
    x = 32,797,007.52/7,750.38
  6. Step 6: Final answer
    x = 4,231.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.